13652638 has 4 divisors (see below), whose sum is σ = 20478960. Its totient is φ = 6826318.

The previous prime is 13652633. The next prime is 13652651. The reversal of 13652638 is 83625631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13652633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3413158 + ... + 3413161.

It is an arithmetic number, because the mean of its divisors is an integer number (5119740).

Almost surely, 2^13652638 is an apocalyptic number.

13652638 is a deficient number, since it is larger than the sum of its proper divisors (6826322).

13652638 is an equidigital number, since it uses as much as digits as its factorization.

13652638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826321.

The product of its digits is 25920, while the sum is 34.

The square root of 13652638 is about 3694.9476315639. The cubic root of 13652638 is about 239.0041956979.

The spelling of 13652638 in words is "thirteen million, six hundred fifty-two thousand, six hundred thirty-eight".